palmtree7073 palmtree7073 29-04-2024 Physics contestada A proton of mass mₚ collides with a heavy particle at rest. After collision proton bounces back with 49 of its initial kinetic energy, Collision is perfectly elastic.Find mass of heavy particle.A. 5 mₚB. 6 mₚC. 3 mₚD. 1.5 mₚ